Construction Monitoring and Testing

 

 

Our laboratories are ACOE, AASHTO, and WACEL Certified.

Our technicians are NICET, ACI, and WACEL Certified.

Material testing includes:

Modified and standard proctors (ASTM D 1557 and 698)

Atterberg limits (plasticity index and liquid limit, ASTM d 4318)

Grain size analysis (ASTM D 421/422)

Natural moisture testing (ASTM D 2216)

Specific gravity testing of asphalt

Tensile strength testing of construction fabrics (tensilometer)

Compressive strength tests of concrete cylinders (ASTM 496) mortar cubes and grout specimens.

Splitting tensile strength of concrete cylinders (ASTM 496)

Construction monitoring includes:

Verify removal of topsoil, rootmat and other unsuitable materials in areas to receive structural fill.

Observe proof-rolling of areas to be filled to locate soft spots or pumping soils.

Perform in-place density tests on soils by the sand-cone (ASTM D 1556) or nuclear methods (ASTM 2292)

Conduct footing inspections with a drop hammer penetrometer for bearing capacity verifications at footing bottom

Deep earth foundation testing and inspections to include caissons, timber, h-type and auger cast piles.

Verify proper placement of reinforcing steel to include tying, lap length, grade, size and location.

Provide sampling and testing of cast-in-place  concrete to include slump testing (ASTM C 143), casting cylinders (ASTM C 31), temperature of concrete at time of delivery and placement, air entrainment tests (ASTM C 231), unit weight, coring, Windsor probe and Swiss hammer tests, and compressive strength testing of concrete cylinders (ASTM C 39)

Additional services available upon request.